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Islip

$132+ Cheap flights from Chicago (CHI) to Islip, NY (ISP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ISP
Aug 20 — Aug 271
Thu 8/20
Thu 8/27
1 adult, Economy
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Find cheap flights from Chicago to Islip with Cheapflights

1. Tell us where you want to go

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2. Select your favorite providers

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3. Compare prices and book

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Cheap flight deals from Chicago to Islip

Cheapest flights from Chicago to Islip
Explore the most affordable flight options available from Chicago to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 21, 2026.

This Expedia deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:44 pm
ORD
-
ISP
1 stop13h 09m
Frontier
Mon 9/77:09 pm
ISP
-
ORD
1 stop28h 59m
Frontier
Deal found 7/16$252
This Frontier deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:44 pm
ORD
-
ISP
1 stop13h 09m
Frontier
Thu 8/2710:57 am
ISP
-
ORD
1 stop13h 11m
Frontier
Deal found 7/20$258
This Frontier deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:44 pm
ORD
-
ISP
1 stop13h 09m
Frontier
Sun 8/3010:57 am
ISP
-
ORD
1 stop13h 11m
Frontier
Deal found 7/16$260
This Frontier deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:10 pm
ORD
-
ISP
1 stop11h 43m
Frontier
Mon 8/3110:57 am
ISP
-
ORD
1 stop13h 11m
Frontier
Deal found 7/18$263
This Frontier deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:10 pm
ORD
-
ISP
1 stop11h 43m
Frontier
Sun 8/2310:57 am
ISP
-
ORD
1 stop13h 11m
Frontier
Deal found 7/20$268
This Frontier deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:44 pm
ORD
-
ISP
1 stop13h 09m
Frontier
Mon 8/2410:57 am
ISP
-
ORD
1 stop13h 11m
Frontier
Deal found 7/19$300
This Frontier deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:05 am
ORD
-
ISP
1 stop11h 09m
Frontier
Mon 9/710:57 am
ISP
-
ORD
1 stop13h 11m
Frontier
Deal found 7/20$305
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:10 pm
ORD
-
ISP
1 stop11h 43m
Multiple Airlines
Mon 8/311:00 pm
ISP
-
ORD
2 stops24h 50m
Multiple Airlines
Deal found 7/17$338
This Trip.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:13 pm
ORD
-
ISP
1 stop15h 40m
Frontier
Tue 8/1810:57 am
ISP
-
ORD
1 stop13h 11m
Frontier
Deal found 7/20$340
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/252:03 pm
ORD
-
ISP
2 stops20h 17m
Multiple Airlines
Mon 9/284:13 pm
ISP
-
ORD
1 stop8h 42m
Multiple Airlines
Deal found 7/17$362
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:05 am
ORD
-
ISP
2 stops27h 15m
Multiple Airlines
Mon 9/710:57 am
ISP
-
ORD
1 stop13h 11m
Multiple Airlines
Deal found 7/16$363

Find flight deals from Chicago to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Islip (ISP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$252
(Expedia)

One-way from

$132
(Frontier)

Popular in

June

Cheapest in

January

Average price

$267
Provider with most accurate pricing for Chicago (CHI)-Islip Long Island flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Islip Long Island flights.
Search Deals
From Chicago (CHI) to Islip Long Island
Search Deals
One-way flight from Chicago (CHI) to Islip Long Island
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Islip that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 21, 2026.
Use the filters below to find and compare flights from Chicago to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Thu 8/27

7:44 pm-9:53 am

1 stop13h 09m

Islip Long Island

Sun 8/30

10:57 am-11:08 pm

1 stop13h 11m

$260

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Thu 9/3

7:44 pm-9:53 am

1 stop13h 09m

Islip Long Island

Sun 9/6

10:57 am-11:08 pm

1 stop13h 11m

$260

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Fri 8/21

6:05 am-9:53 am

1 stop26h 48m

Islip Long Island

Sun 8/23

10:57 am-1:20 pm

1 stop27h 23m

$268

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Thu 8/20

7:44 pm-9:53 am

1 stop13h 09m

Islip Long Island

Mon 8/24

10:57 am-11:08 pm

1 stop13h 11m

$317

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Wed 10/14

6:05 am-3:03 pm

1 stop7h 58m

Islip Long Island

Sun 10/18

4:13 pm-11:55 pm

1 stop8h 42m

$317

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Fri 9/25

3:00 pm-11:22 pm

1 stop7h 22m

Islip Long Island

Mon 9/28

4:13 pm-11:55 pm

1 stop8h 42m

$384

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Fri 8/28

9:10 pm-9:53 am

1 stop11h 43m

Islip Long Island

Mon 8/31

1:00 pm-12:50 pm

2 stops24h 50m

$413
Quickest round-trip

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Wed 9/9

3:00 pm-11:22 pm

1 stop7h 22m

Islip Long Island

Mon 9/14

7:00 am-2:01 pm

1 stop8h 01m

$449

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Thu 9/24

3:00 pm-11:22 pm

1 stop7h 22m

Islip Long Island

Mon 9/28

7:00 am-2:01 pm

1 stop8h 01m

$449

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Fri 9/11

3:00 pm-11:22 pm

1 stop7h 22m

Islip Long Island

Sun 9/13

7:00 am-2:01 pm

1 stop8h 01m

$461

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/17

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Chicago to Islip

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Islip in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Islip, New York flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Islip, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Islip

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Islip from Chicago?

    Most people fly into Islip Long Island (ISP) if they book a flight to Islip from Chicago. On average, Long Island has 0 inbound flights from Chicago per day from 0 airlines. Islip Long Island is conveniently located just 7.2 mi from Islip’s city center.

  • How long is the flight from Chicago to Islip, New York?

    There are many flights that can get you from Chicago to Islip, New York in 13h 09m. Fly via Frontier to get the fastest option. There are 770 mi between Chicago and Islip, New York.

  • Can I find deals for flights from Chicago to Islip that include hotel bookings?

    Yes. In addition to deals on Chicago to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Islip.

  • Can I find deals for business class flights from Chicago to Islip?

    Yes. Cheapflights offers flight deals from Chicago to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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